Giant cell arteritis is also known as cranial arteritis or temporal arteritis. This is a medical condition involving inflammation in the arteries situated in the temple area. This leads to pain and tenderness in the temple area, where the hardened arteries can be felt.
[edit on Wikidata] An opportunistic infection is an infection caused by pathogens (bacteria, viruses, fungi, or protozoa) that take advantage of an opportunity not normally available, such as a host with a weakened immune system, an altered microbiota (such as a disrupted gut flora), or breached integumentary barriers.
What is mean by opportunistic infection-Two examples of opportunistic infections are given below. In day to day life we unknowingly carry out many germs such as, fungi, bacteria, protozoa and viruses. When a person is HIV infection free the immune system resists such invaders.